1PTRACE_EVENT_FORK 2PTRACE_EVENT_VFORK 3PTRACE_EVENT_CLONE 4PTRACE_EVENT_EXEC 5PTRACE_EVENT_VFORK_DONE 6PTRACE_EVENT_EXIT 7PTRACE_EVENT_SECCOMP 8PTRACE_EVENT_STOP 9/* tile */ 10PTRACE_EVENT_MIGRATE 11